Question

Nadia has 4 different types of fruits in her fridge. She wants to choose one or two types of fruit to make juice. How many different juices can she make?

Answer 1

Explanation:

SOLUTION:

5C1 + 5C2 | 5C1 =
`(5!)/((5-1)!)` , 5C2 =
`(5!)/((5-2)!2!)` |

= 5 +
`(5x4)/(2x1)`

= 5 + 10 = 15

ANSWER: (15)